20261340

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{379}}^1$

素因数の和:414

約数の個数: 144

約数和(自身を含む): 69713280

約数和(自身を除く): 49451940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 81, 90, 99, 108, 110, 132, 135, 162, 165, 180, 198, 220, 243, 270, 297, 324, 330, 379, 396, 405, 486, 495, 540, 594, 660, 758, 810, 891, 972, 990, 1137, 1188, 1215, 1485, 1516, 1620, 1782, 1895, 1980, 2274, 2430, 2673, 2970, 3411, 3564, 3790, 4169, 4455, 4548, 4860, 5346, 5685, 5940, 6822, 7580, 8338, 8910, 10233, 10692, 11370, 12507, 13365, 13644, 16676, 17055, 17820, 20466, 20845, 22740, 25014, 26730, 30699, 34110, 37521, 40932, 41690, 50028, 51165, 53460, 61398, 62535, 68220, 75042, 83380, 92097, 102330, 112563, 122796, 125070, 150084, 153495, 184194, 187605, 204660, 225126, 250140, 306990, 337689, 368388, 375210, 450252, 460485, 562815, 613980, 675378, 750420, 920970, 1013067, 1125630, 1350756, 1688445, 1841940, 2026134, 2251260, 3376890, 4052268, 5065335, 6753780, 10130670, 20261340]

約数ペア:

[(1, 20261340), (2, 10130670), (3, 6753780), (4, 5065335), (5, 4052268), (6, 3376890), (9, 2251260), (10, 2026134), (11, 1841940), (12, 1688445), (15, 1350756), (18, 1125630), (20, 1013067), (22, 920970), (27, 750420), (30, 675378), (33, 613980), (36, 562815), (44, 460485), (45, 450252), (54, 375210), (55, 368388), (60, 337689), (66, 306990), (81, 250140), (90, 225126), (99, 204660), (108, 187605), (110, 184194), (132, 153495), (135, 150084), (162, 125070), (165, 122796), (180, 112563), (198, 102330), (220, 92097), (243, 83380), (270, 75042), (297, 68220), (324, 62535), (330, 61398), (379, 53460), (396, 51165), (405, 50028), (486, 41690), (495, 40932), (540, 37521), (594, 34110), (660, 30699), (758, 26730), (810, 25014), (891, 22740), (972, 20845), (990, 20466), (1137, 17820), (1188, 17055), (1215, 16676), (1485, 13644), (1516, 13365), (1620, 12507), (1782, 11370), (1895, 10692), (1980, 10233), (2274, 8910), (2430, 8338), (2673, 7580), (2970, 6822), (3411, 5940), (3564, 5685), (3790, 5346), (4169, 4860), (4455, 4548)]